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Article: Ecophysiological variation across a forest-ecotone gradient produces divergent climate change vulnerability within species

TitleEcophysiological variation across a forest-ecotone gradient produces divergent climate change vulnerability within species
Authors
KeywordsMechanistic modelling
Ecophysiology
Global change
Issue Date2018
PublisherWiley-Blackwell Publishing, Inc. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1600-0587
Citation
Ecography, 2018, v. 41 n. 10, p. 1627-1637 How to Cite?
AbstractClimate change related risks and impacts on ectotherms will be mediated by habitats and their influence on local thermal environments. While many studies have documented morphological and genetic aspects of niche divergence across habitats, few have examined thermal performance across such gradients and directly linked this variation to contemporary climate change impacts. In this study, we quantified variation in thermal performance across a gradient from forest to gallery forest‐savanna mosaic in Cameroon for a skink species (Trachylepis affinis) known to be diverging genetically and morphologically across that habitat gradient. Based on these results, we then applied a mechanistic modelling approach (NicheMapR) to project changes in potential activity, as constrained by thermal performance, in response to climate change. As a complimentary approach, we also compared mechanistic projections with climate‐driven changes in habitat suitability based on species distribution models of forest and ecotone skinks. We found that ecotone skinks may benefit from warming and experience increased activity while forest skinks will likely face a drastic decrease in thermal suitability across the forest zone. Species distribution models projected that thermal suitability for forest skinks in coastal forests would decline but in other parts of the forest zone skinks are projected to experience increased thermal suitability. The results here highlight the utility of mechanistic approaches in revealing and understanding patterns of climate change vulnerability which may not be detected with species distribution models alone. This study also emphasizes the importance of intra‐specific physiological variation, and habitat‐specific thermal performance relationships in particular, in determining warming responses.
Persistent Identifierhttp://hdl.handle.net/10722/272487
ISSN
2023 Impact Factor: 5.4
2023 SCImago Journal Rankings: 2.540
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYuan, FL-
dc.contributor.authorFreedman, AH-
dc.contributor.authorChirio, L-
dc.contributor.authorLeBreton, M-
dc.contributor.authorBonebrake, TC-
dc.date.accessioned2019-07-20T10:43:15Z-
dc.date.available2019-07-20T10:43:15Z-
dc.date.issued2018-
dc.identifier.citationEcography, 2018, v. 41 n. 10, p. 1627-1637-
dc.identifier.issn0906-7590-
dc.identifier.urihttp://hdl.handle.net/10722/272487-
dc.description.abstractClimate change related risks and impacts on ectotherms will be mediated by habitats and their influence on local thermal environments. While many studies have documented morphological and genetic aspects of niche divergence across habitats, few have examined thermal performance across such gradients and directly linked this variation to contemporary climate change impacts. In this study, we quantified variation in thermal performance across a gradient from forest to gallery forest‐savanna mosaic in Cameroon for a skink species (Trachylepis affinis) known to be diverging genetically and morphologically across that habitat gradient. Based on these results, we then applied a mechanistic modelling approach (NicheMapR) to project changes in potential activity, as constrained by thermal performance, in response to climate change. As a complimentary approach, we also compared mechanistic projections with climate‐driven changes in habitat suitability based on species distribution models of forest and ecotone skinks. We found that ecotone skinks may benefit from warming and experience increased activity while forest skinks will likely face a drastic decrease in thermal suitability across the forest zone. Species distribution models projected that thermal suitability for forest skinks in coastal forests would decline but in other parts of the forest zone skinks are projected to experience increased thermal suitability. The results here highlight the utility of mechanistic approaches in revealing and understanding patterns of climate change vulnerability which may not be detected with species distribution models alone. This study also emphasizes the importance of intra‐specific physiological variation, and habitat‐specific thermal performance relationships in particular, in determining warming responses.-
dc.languageeng-
dc.publisherWiley-Blackwell Publishing, Inc. The Journal's web site is located at http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1600-0587-
dc.relation.ispartofEcography-
dc.rightsThis is the peer reviewed version of the following article: Ecography, 2018, v. 41 n. 10, p. 1627-1637, which has been published in final form at https://doi.org/10.1111/ecog.03427. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.-
dc.subjectMechanistic modelling-
dc.subjectEcophysiology-
dc.subjectGlobal change-
dc.titleEcophysiological variation across a forest-ecotone gradient produces divergent climate change vulnerability within species-
dc.typeArticle-
dc.identifier.emailBonebrake, TC: tbone@hku.hk-
dc.identifier.authorityBonebrake, TC=rp01676-
dc.description.naturepostprint-
dc.identifier.doi10.1111/ecog.03427-
dc.identifier.scopuseid_2-s2.0-85041234217-
dc.identifier.hkuros298368-
dc.identifier.volume41-
dc.identifier.issue10-
dc.identifier.spage1627-
dc.identifier.epage1637-
dc.identifier.isiWOS:000446267800004-
dc.publisher.placeDenmark-
dc.identifier.issnl0906-7590-

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